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BMW M140i & M240i Performance and Styling Parts

BMW M140i & M240i Performance and Styling Parts

Upgrade your BMW M140i or M240i with performance and styling parts for F20, F21, F22 and F23 models from AIRTEC Motorsport, Cobra Sport, Maxton Design, MST Performance, Scorpion and Wayside Performance.

Browse induction kits, charge-cooling upgrades, downpipes, exhaust components, spark plugs, ECU and gearbox tuning, front splitters, rear diffusers, spoilers and side skirts for the 3.0-litre turbocharged B58 platform.

Not sure where to begin?

Read our BMW B58 tuning guide for Stage 1, Stage 2 and Stage 2+ upgrade paths, recommended supporting hardware and real power figures from our in-house dyno.

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  • Maxton Design Racing Durability Rear Side Splitters V3 (+flaps) Bmw 1 F20 M140i (2017-2019) - Wayside Performance Maxton Design Racing Durability Rear Side Splitters V3 (+flaps) Bmw 1 F20 M140i (2017-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Rear Side Splitters V3 (+flaps) Bmw 1 F20 M140i (2017-2019)

    From £119.00
    From £119.00
  • Airtec Motorsport De-cat Downpipe for Bmw B58 Engine - Wayside Performance Airtec Motorsport De-cat Downpipe for Bmw B58 Engine - Wayside Performance
    AIRTEC Motorsport

    Airtec Motorsport De-cat Downpipe for Bmw B58 Engine

    £401.06
    £401.06
  • BMW M140i/M240i Stage 2 Remap 440-455bhp - Wayside Performance Powergate Flash At Home tuning handset and Wayside Performance app
    Wayside Performance

    BMW B58 Stage 2+ Remap — 470–500bhp (M140i / M240i / 340i / 440i)

    From £599.00
    From £599.00
  • Airtec Motorsport Turbo Elbow for Bmw B58 - Wayside Performance Airtec Motorsport Turbo Elbow for Bmw B58 - Wayside Performance
    AIRTEC Motorsport

    Airtec Motorsport Turbo Elbow for Bmw B58

    £173.59
    £173.59
  • Cobra Sport BMW M140i (F20 / F21 LCI) Rear Box (Cobra PPF Fitment) - Wayside Performance Cobra Sport BMW M140i (F20 / F21 LCI) Rear Box (Cobra PPF Fitment) - Wayside Performance
    Cobra Sport

    Cobra Sport BMW M140i (F20 / F21 LCI) Rear Box (Cobra PPF Fitment)

    From £750.00
    From £750.00
  • Cobra Sport BMW M140i Resonator GPF/PPF Delete Performance Exhaust - Wayside Performance Cobra Sport BMW M140i Resonator GPF/PPF Delete Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport BMW M140i Resonator GPF/PPF Delete Performance Exhaust

    £475.44
    £475.44
  • Cobra Sport BMW M140i (F20 / F21 LCI) Cat Back Performance Exhaust - Wayside Performance Cobra Sport BMW M140i (F20 / F21 LCI) Cat Back Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport BMW M140i (F20 / F21 LCI) Cat Back Performance Exhaust

    From £1,058.22
    From £1,058.22
  • Cobra Sport BMW M140i De-Cat / Sports Cat Downpipe Performance Exhaust - Wayside Performance Cobra Sport BMW M140i De-Cat / Sports Cat Downpipe Performance Exhaust - Wayside Performance
    Cobra Sport

    Cobra Sport BMW M140i De-Cat / Sports Cat Downpipe Performance Exhaust

    From £518.02
    From £518.02
  • Forge Motorsport BMW B58 Boost Pipes - Wayside Performance Forge Motorsport BMW B58 Boost Pipes - Wayside Performance
    Forge Motorsport

    Forge Motorsport BMW B58 Boost Pipes

    £389.99
    £389.99
  • Maxton Design Central Rear Splitter Bmw 1 F20/f21 M-power (With Vertical Bars) - Wayside Performance Maxton Design Central Rear Splitter Bmw 1 F20/f21 M-power (With Vertical Bars) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Rear Splitter (Vertical Bars) compatible with BMW 1 F20 / F21

    £154.00
    £154.00
  • Maxton Design Racing Durability Side Skirts Diffusers (+flaps) Bmw 1 F21 M135i / M140i / M-pack (2011-2019) - Wayside Performance Maxton Design Racing Durability Side Skirts Diffusers (+flaps) Bmw 1 F21 M135i / M140i / M-pack (2011-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Side Skirts Diffusers (+flaps) Bmw 1 F21 M135i / M140i / M-pack (2011-2019)

    From £199.00
    From £199.00
  • Maxton Design Central Rear Splitter Bmw 1 F20/f21 M-power (Without Vertical Bars) - Wayside Performance Maxton Design Central Rear Splitter Bmw 1 F20/f21 M-power (Without Vertical Bars) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Rear Splitter compatible with BMW 1 F20 / F21

    £79.00
    £79.00
  • Maxton Design Racing Durability Side Skirts Diffusers Bmw 1 F21 M135i / M140i / M-pack (2011-2019) - Wayside Performance Maxton Design Racing Durability Side Skirts Diffusers Bmw 1 F21 M135i / M140i / M-pack (2011-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Side Skirts Diffusers Bmw 1 F21 M135i / M140i / M-pack (2011-2019)

    From £149.00
    From £149.00
  • Maxton Design Spoiler Cap V.2 for BMW 1 Series F20/F21 M-power facelift, body styling accessory with sleek design. Maxton Design BMW 1 Series F20/F21 M Power facelift spoiler cap V.2, black exterior, designed for sporty body styling enhancement.
    MAXTON® DESIGN

    Maxton Design Spoiler Cap V.2 Bmw 1 F20/f21 M-power Facelift (2015-up)

    £129.00
    £129.00
  • Maxton Design Rear Side Splitters V.1 Bmw 1 F20/f21 M-power Facelift - Wayside Performance Maxton Design Rear Side Splitters V.1 Bmw 1 F20/f21 M-power Facelift - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Rear Side Splitters V.1 Bmw 1 F20/f21 M-power Facelift

    £79.00
    £79.00
  • Maxton Design Racing Durability Rear Side Splitters V3 Bmw 1 F20 M140i (2017-2019) - Wayside Performance Maxton Design Racing Durability Rear Side Splitters V3 Bmw 1 F20 M140i (2017-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Rear Side Splitters V3 Bmw 1 F20 M140i (2017-2019)

    From £69.00
    From £69.00
  • Maxton Design Front Racing Splitter V.1 Bmw 1 F20/f21 M-power Facelift (2015-19) - Wayside Performance Maxton Design Front Racing Splitter V.1 Bmw 1 F20/f21 M-power Facelift (2015-19) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Front Racing Splitter V.1 BMW 1 F20/F21 M-power Facelift (2015-19)

    £159.00
    £159.00
  • Maxton Design Bmw 1 F20/f21 M-power Facelift - Rear Diffuser V.1 (2015-19) - Wayside Performance Maxton Design Bmw 1 F20/f21 M-power Facelift - Rear Diffuser V.1 (2015-19) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Rear Diffuser V.1 BMW 1 F20/21 Facelift M-Power (2015-19)

    £169.00
    £169.00
  • Maxton Design Racing Side Skirt Diffusers BMW 1 M135i / M140i / M-Pack F21 - Wayside Performance Maxton Design Racing Side Skirt Diffusers BMW 1 M135i / M140i / M-Pack F21 - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Side Skirt Diffusers BMW 1 M135i / M140i / M-Pack F21

    £159.00
    £159.00
  • Maxton Design Racing Durability Side Skirts Diffusers V2 (+flaps) Bmw 1 F20 M135i / M140i / M-pack (2011-2019) - Wayside Performance Maxton Design Racing Durability Side Skirts Diffusers V2 (+flaps) Bmw 1 F20 M135i / M140i / M-pack (2011-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Side Skirts Diffusers V2 (+flaps) Bmw 1 F20 M135i / M140i / M-pack (2011-2019)

    From £199.00
    From £199.00
  • Maxton Design Front Racing Splitter V.2 Bmw 1 F20/f21 M-power Facelift (2015-19) - Wayside Performance Maxton Design Front Racing Splitter V.2 Bmw 1 F20/f21 M-power Facelift (2015-19) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Front Racing Splitter V.2 BMW 1 F20/F21 M-power Facelift (2015-19)

    £149.00
    £149.00
  • Maxton Design Racing Durability Rear Side Splitters V2 Bmw 1 F20 M140i (2017-2019) - Wayside Performance Maxton Design Racing Durability Rear Side Splitters V2 Bmw 1 F20 M140i (2017-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Rear Side Splitters V2 Bmw 1 F20 M140i (2017-2019)

    From £69.00
    From £69.00
  • Maxton Design Racing Durability Rear Side Splitters V2 (+flaps) Bmw 1 F20 M140i (2017-2019) - Wayside Performance Maxton Design Racing Durability Rear Side Splitters V2 (+flaps) Bmw 1 F20 M140i (2017-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Rear Side Splitters V2 (+flaps) Bmw 1 F20 M140i (2017-2019)

    From £119.00
    From £119.00
  • Maxton Design Racing Durability Rear Diffuser V3 Bmw M140i (2016-2019) - Wayside Performance Maxton Design Racing Durability Rear Diffuser V3 Bmw M140i (2016-2019) - Wayside Performance
    MAXTON® DESIGN

    Maxton Design Racing Durability Rear Diffuser V3 Bmw M140i (2016-2019)

    From £149.00
    From £149.00